My Part of This Project Is to Be Network Database Administrator Capstone Project

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Computer Science

As the database network administrator assigned to the reworking of this expanding medical practice, my primary concern will be to balance the need for a large staff to be able to access the data (with differing levels of access allowed to people in different positions) while at the same time adhering to the standards of medical confidentiality as they are outlined in the HIPPA statutes and as supplemented by the medical ethics of this practice, which we assume to be of the highest since the staff are expending time and money to bring their system into compliance with current law and practice.

The first part of my job would be to create the basic categories into which all of the relevant data can be sorted. One of the key roles of designing a database is that of reducing the complexity of the real world into a manageable degree. While current database programs have the capacity to handle an enormous amount of data (to a degree that would have hardly been manageable even a few years ago) and to do so in an appropriately fast way, this is not the only concern.

Hardware and software allow for a higher level of complexity than does "wetware" -- the humans who use a system. Even more importantly, different system users have varying degrees of computer expertise, and it is imperative to bear this in mind when designing a system. This system cannot be designed to the level of a computer technician because doctors, while generally intelligent and skilled, tend to be resistant to adapting themselves to computer systems. This means that, to the greatest degree possible, the database must be designed around the ways in which the doctors' (and their staffs) already work, so as not to rile the essentially conservative nature of the doctors in terms of the way that they approach their work.

A key element of the new system that my consulting team and I are proposing to the doctors is how data are initially put into the system.

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A data entry system that is sufficiently (but not overly) complex and as free as possible from ambiguity to ensure that the data coming in are as accurate as possible. One of the most important aspects of a well-designed database is that, while it has mechanisms in it to catch and repair errors, it minimizes those errors to begin with.

When individuals enter data in the system, they will include the following information: Their name and their role or category (physician, X-ray technician, etc.) This information will allow them access to the database to the extent that they are authorized. For example, a physician requires access to every datum in a patient's records, but she does not need to know the social security numbers of the clerical staff.

The receptionist does not need to know either the social security numbers of other staff members or the details of a patient's diagnosis and treatment, but does need to know when appointments are scheduled, when lab results will be available, and similar scheduling information. Embedded in the database software will be a description of the access given to each role so that when an individual enters "physician" or "RN" or "phlebotomist" (as a few of the possible examples), the software will guide….....

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